短語詞組短語vertical web in wing ballast 永鎮(zhèn)的垂直網(wǎng)站;垂直網(wǎng)在永壓載;翼鎮(zhèn)流器垂直網(wǎng)站built -in electronic ballast 內(nèi)置電源ship in ballast [水運]空放的船舶;空放船;翻譯to sail in ballast 空載航行be in ballast 只裝ve el in ballast 有壓載的船sailing in ballast 壓載航行;空放航行vessel in ballast 有壓載的船all -in bast [建]統(tǒng)貨道碴料;未篩分碎石 返回 in ballast